python-3.6.zip added from Github

README.cosmo contains the necessary links.

third_party/python/Lib/test/test_startfile.py

@@ -0,0 +1,34 @@
+# Ridiculously simple test of the os.startfile function for Windows.
+#
+# empty.vbs is an empty file (except for a comment), which does
+# nothing when run with cscript or wscript.
+#
+# A possible improvement would be to have empty.vbs do something that
+# we can detect here, to make sure that not only the os.startfile()
+# call succeeded, but also the script actually has run.
+
+import unittest
+from test import support
+import os
+import sys
+from os import path
+
+startfile = support.get_attribute(os, 'startfile')
+
+
+class TestCase(unittest.TestCase):
+    def test_nonexisting(self):
+        self.assertRaises(OSError, startfile, "nonexisting.vbs")
+
+    def test_empty(self):
+        # We need to make sure the child process starts in a directory
+        # we're not about to delete. If we're running under -j, that
+        # means the test harness provided directory isn't a safe option.
+        # See http://bugs.python.org/issue15526 for more details
+        with support.change_cwd(path.dirname(sys.executable)):
+            empty = path.join(path.dirname(__file__), "empty.vbs")
+            startfile(empty)
+            startfile(empty, "open")
+
+if __name__ == "__main__":
+    unittest.main()